Home / 10,482.10-15,738.72-4,254.32

Finding the Fourth Proportional to 10,482.10, 15,738.72 and 4,254.32

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Solution

The fourth proportional to 10,482.10, 15,738.72 and 4,254.32 is: 6,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482.10 : 15,738.72 = 4,254.32 : x
  2. Step 2: Convert to fraction form
    10,482.10/15,738.72 = 4,254.32/x
  3. Step 3: Cross multiply
    10,482.10x = 15,738.72 × 4,254.32
  4. Step 4: Simplify right side
    10,482.10x = 66,957,472.58
  5. Step 5: Solve for x
    x = 66,957,472.58/10,482.10
  6. Step 6: Final answer
    x = 6,387.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.